The 81st Conference on Glass Problems (GPC) was organized by the Kazuo Inamori School of Engineering, The New York State College of Ceramics, Alfred University, Alfred, NY 14802 and The Glass Manufacturing Industry Council (GMIC), Westerville, OH 43082. The Program Director was S. K. Sundaram, Inamori Professor of Materials Science and Engineering, Kazuo Inamori School of Engineering, The New York State College of Ceramics, Alfred University, Alfred, NY 14802. The Conference Director was Bob Lipetz, Executive Director, Glass Manufacturing Industry Council (GMIC), Westerville, OH 43082. The GPC Advisory Board (AB) included the Program Director, the Conference Director, and several industry representatives. The Board assembled the technical program. Donna Banks of the GMIC coordinated the events and provided support. Due to world-wide COVID-19 pandemic, the conference was a virtual event. It started with a full-day plenary session followed by technical sessions.
Table of Contents
Foreword
Preface
Acknowledgments
PLENARY
Surface Viscosity and the Melting of Glass
Daniel R. Swiler
CONSTRUCTION AND REPAIR
Supporting Hot and Cold Furnace Repairs
Neil G Simpson, John Naughton, and Philippe Kerbois
Infrastructure and Process Considerations when Increasing the Size of Your Furnace
Christopher Hetro, Michael Hannagan, and Thomas Maheady
Analysis of Experiences in Recurring Furnace Construction Projects
Jalil Abraham Kuri
MELTING
Improved Glass Homogeneity and Higher Sustainability through Textured Expendables Tubes in Container Glass Furnace
Patrice Fournier, Michel Gaubil, and Stephane Schaller
Extending Campaign Life in an All-Electric Melter using High Levels of Commercial Cullet
Phillip Tucker and Donn Sederstrom
Case Study: Comparison of an AC IGBT Controlled System and AC Phase Angle SCR Controlled System in a Resistance Heating Application
Stanley F. Rutkowski III
From Landfill to Raw Material: Obtaining High Quality Recycled Cullet to Avoid Glass Manufacturing Problems
Jacques van Putten
QUALITY CONTROL AND SENSORS
Glass Melt Quality Optimization by Mathematical Modeling of Redox and Bubbles in the Glass Melt
Andries Habraken, Oscar Verheijen , Adriaan Lankhorst, Anne-Jans Faber, and Corinne Claireaux
The Detection and Root Causes of Cord in Glass
Scott Cooper
Float Glass Flatness: Process Consequences, and How to Improve Control
Joseph LaPlante
ENVIRONMENTAL AND SUSTAINABILITY
Waste Heat Recovery in Oxy-Fuel Glass Furnaces - A Path To Sustainability and Lower CO2 Emissions
Shrikar Chakravarti, Jeff Alexander, and Hisashi Kobayashi